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Multiple Choice
What is the primary function of dendrites in a neuron?
A
To store neurotransmitters for release at synapses
B
To insulate the axon and increase the speed of nerve impulse transmission
C
To receive and transmit electrical signals to the cell body
D
To generate action potentials and transmit them away from the cell body
Verified step by step guidance
1
Understand the structure of a neuron: A neuron typically consists of a cell body (soma), dendrites, and an axon.
Identify the role of dendrites: Dendrites are tree-like extensions at the beginning of a neuron that help increase the surface area available for receiving signals.
Recognize the function of dendrites: Dendrites primarily receive electrical signals from other neurons and transmit these signals to the cell body.
Differentiate between dendrites and other neuron parts: Unlike axons, which transmit signals away from the cell body, dendrites bring information to the cell body.
Conclude the primary function: The main role of dendrites is to receive and transmit electrical signals to the cell body, facilitating communication within the nervous system.